Changing IAddon to allow clients to compile using JDK6.
Changing IAddon to allow clients to compile using JDK6.

tsdl2013/HoloEverywhere,mercadolibre/HoloEverywhere,mercadolibre/HoloEverywhere,Prototik/HoloEverywhere,imoblife/HoloEverywhere,tsdl2013/HoloEverywhere,andresesfm/HoloEverywhere-1,riverfor/HoloEverywhere,Prototik/HoloEverywhere,GrioSF/HoloEverywhere,hgl888/HoloEverywhere,imoblife/HoloEverywhere,natuan241/HoloEverywhere,riverfor/HoloEverywhere,andresesfm/HoloEverywhere-1,RomzesRover/HoloEverywhere,GrioSF/HoloEverywhere,hgl888/HoloEverywhere,GrioSF/HoloEverywhere,RomzesRover/HoloEverywhere,natuan241/HoloEverywhere